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光波长计 紫外光谱仪

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  • 公司名称北京波威科技有限公司
  • 品       牌
  • 型       号
  • 所  在  地
  • 厂商性质其他
  • 更新时间2022/11/26 9:04:00
  • 访问次数236
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北京波威科技有限公司坐落于北京海淀中关村高科技园区,是一家集生产、研发、销售及代理为一体的光电领域的高科技技术服务公司。 产品涉及激光、光电子、光通讯、光学、物理、电子和生物等多个学科领域,可广泛应用于教学、科研、产品开发及规模生产。业务范围覆盖了国内各大所属各研究所、航天科工/科技集团所属研究所、中电集团所属研究所、所属各研究所等不同系统内的研究机构及相关领域内的高科技公司。 波威公司始终坚持高起点,高要求,与一线生产厂商携手,做到产品在技术上秉承严谨的科学态度,务实的工作作风,诚实的经营理念,与广大客户携手共创美好明天! 我们的产品有:固体激光器、半导体激光器、可调谐激光器、光纤激光器、窄线宽激光器、激光测量仪器与配件、太赫兹、高速光电探测器、紫外探测器、红外探测器、超快探测器、焦平面阵列探测器、科学相机、光谱仪、高光谱成像系统、光束质量分析仪、空间光调制器、声光调制器、电光调制器、高速光开关、光发大器、光衰减器、可调谐滤波器、波长转换器、高温光纤、红外光纤、能量光纤、微波放大器、微波元器件、光学透镜等光电类产品。
近红外光谱仪
HighFinesseWavelengthMeters◆Unmatchedabsoluteaccuracydownto2MHz◆MeasurementrangesfromUVtoIR(192nm..11m)◆Forpulsedandcwlasers◆SensitivitydowntonWlightpower◆Upto600HzacquisitionspeedThewavelength
光波长计 紫外光谱仪 产品信息

详细信息

HighFinesseWavelengthMeters

Unmatched absolute accuracy down to 2 MHz

Measurement ranges from UV to IR (192 nm .. 11 µm)

For pulsed and cw lasers

Sensitivity down to nW light power

Up to 600 Hz acquisition speed

The wavelength meters of the WS series accomplish wavelength measurements with highest accuracy. Both cw and pulsed lasers with narrow-band emission can be examined, monitored and even actively controlled. Various models of the WS series are available, covering UV to IR wavelength ranges (192 nm - 11 µm).  Based on a rugged Fizeau interferometer setup without any moving components, the wavelength meters provide quasi unlimited lifetime.

The spectrum analyzers LSA and HDSA allow for multi-line or broadband spectrum of light sources like cw and pulsed lasers, gas discharge lamps, super luminescence diodes, semiconductor laser diodes and LEDs.

Technical Information

 

Absolute accuracy of wavelength meter versions

  

LSA

WS5

WS6-
600

WS6-
200

WS7

WSU-
30

WSU-
10

WSU-
2

Measurement
range

Standard

350 - 1120 nm

 

UV

248 - 1100 nm

 

UV-II

192 - 800 nm

 

   
 

UV-II-VIS

192 - 1190 nm

       
 

VIS- IR

400 - 1750 nm

 

    
 

IR

800 - 1750 nm

 
 

IR-II

1000 - 2250 nm

 

   
 

IR - III

 2 - 11µm

 

    

Absolute
accuracy

 

192 - 370 nm [pm]

6

3

0.6

0.4

0.2

0.1

0.1

0.1

  

370 - 1100 nm [MHz]

6000

3000

600

200

60

30

101)

22)

  

1100 - 2250 nm [MHz]

12000

2000

400

150

40

20

101)

 
  

2 - 11µm [MHz]

1-5nm3)

2000

 

200

    

Calibration

  

Built-in4)

Built-in4)

Built-in

Built-in4)

Built-in

External

External

External

1) ± 200 nm around calibration wavelength
2) ± 2 nm around calibration wavelength
3) depending on device type
4) except IR-III

Operation principle

HighFinesse Fizeau interferometer setup of WS series

Contrary to Michelson interferometer based instruments, our wavelength meter uses fixed Fizeau interferometers to detect the wavelength of a laser beam.

The beam enters the optical unit via a fiber, is collimated by a lens and then split into several beams. Each beam passes a Fizeau interferometer of specific length to generate distinct interferometric patterns. All these patterns are recorded by a CCD array and digitally transferred via USB interface to the operator’s PC. The firmware finally analyses the data and calculates the laser wavelength, taking into account the ambient temperature.

Due to the Fizeau interferometer setup, pulsed lasers can be measured at high measurement rate. The rugged setup also enables usage under extreme conditions (e.g. in airplanes with significant vibration).

Options & Related Products

MultiChannel - Simultaneous measurement of 2, 4, or 8 lasers
PID control - Locks your laser to any wavelength or tunes it along arbitrary functions. Can be combined with MultiChannel option
Linewidth option - Calculates the laser linewidth using the interferogram data
Diffraction grating - For spectral analysis of broad linewidth lasers
TTL - For synchronization of experiment and measurement 


 

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